Royal Caribbean Cruises has entered into an agreement with French shipbuilder Chantiers de l’Atlantique to order a sixth Oasis-class ship.

The vessel is set for delivery in the autumn of 2023.

“It is such a pleasure to announce the order of another Oasis-class ship,” said Richard Fain, chairman of Royal Caribbean Cruises.

“This order is a reflection of the exceptional performance of this vessel class and the extraordinary partnership between Chantiers de l’Atlantique and Royal Caribbean Cruises.”

This order is contingent upon financing, which is expected to be completed in the second or third quarter of this year.

“This is the twenty-third cruise ship that RCL will be building at our shipyard, and we are especially proud of it,” said Laurent Castaing, general manager, Chantiers de l’Atlantique.

“The order reflects the confidence our customer puts on us, based on the exceptional quality of our long-term co-operation between the two companies and on our capacity to bring innovative solutions to meet our customers’ expectations.”

Royal Caribbean’s Oasis class includes Oasis of the Seas and Allure of the Seas, which were delivered in 2009 and 2010 respectively, and Symphony of the Seas, which was completed in 2017.

Two additional unnamed ships are currently under construction and are expected to be delivered in 2021 and 2023 respectively.

The are considered the largest class of passenger cruise ship currently in operation.